Finding the Fourth Proportional to 149,512,459.46, 206,327,201.81 and 82,531,435.31
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Solution
The fourth proportional to 149,512,459.46, 206,327,201.81 and 82,531,435.31 is: 113,893,385.00
Step by Step Solution
- Step 1: Write the proportion equation
149,512,459.46 : 206,327,201.81 = 82,531,435.31 : x - Step 2: Convert to fraction form
149,512,459.46/206,327,201.81 = 82,531,435.31/x - Step 3: Cross multiply
149,512,459.46x = 206,327,201.81 × 82,531,435.31 - Step 4: Simplify right side
149,512,459.46x = 17,028,480,107,431,038 - Step 5: Solve for x
x = 17,028,480,107,431,038/149,512,459.46 - Step 6: Final answer
x = 113,893,385.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.